Antarctic sea ice continues to rapidly decline, indicating a lasting shift

Antarctic sea ice has hovered near record lows for the second year in a row, strengthening concerns that human-induced climate change may have caused a permanent “regime shift” in the amount of ice that forms in the Southern Ocean each year.

“Last year we were talking about whether Antarctic sea ice was undergoing a regime shift. That’s not the case anymore.” Edward Doddridge A researcher from the Australian Institute of Marine and Antarctic Studies said: “Antarctica has given us a pretty clear answer to this question, and now we’re talking about the implications…